webkit_thread.cc

// Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this// source code is governed by a BSD-style license that can be found in the// LICENSE file.#include "chrome/browser/in_process_webkit/webkit_thread.h"#include "base/command_line.h"#include "chrome/browser/in_process_webkit/browser_webkitclient_impl.h"#include "chrome/common/chrome_switches.h"#include "third_party/WebKit/WebKit/chromium/public/WebKit.h"
WebKitThread::WebKitThread() {
}
// This happens on the UI thread after the IO thread has been shut down.
WebKitThread::~WebKitThread() {
// We can't just check CurrentlyOn(ChromeThread::UI) because in unit tests,// MessageLoop::Current is sometimes NULL and other times valid and there's// no ChromeThread object. Can't check that CurrentlyOn is not IO since// some unit tests set that ChromeThread for other checks.
DCHECK(!ChromeThread::CurrentlyOn(ChromeThread::WEBKIT));
}
void WebKitThread::Initialize() {
DCHECK(!webkit_thread_.get());
if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess)) {
// TODO(jorlow): We need a better story for single process mode.return;
}
webkit_thread_.reset(new InternalWebKitThread);
bool started = webkit_thread_->Start();
DCHECK(started);
}
WebKitThread::InternalWebKitThread::InternalWebKitThread()
: ChromeThread(ChromeThread::WEBKIT) {
}
WebKitThread::InternalWebKitThread::~InternalWebKitThread() {
Stop();
}
void WebKitThread::InternalWebKitThread::Init() {
DCHECK(!webkit_client_.get());
webkit_client_.reset(new BrowserWebKitClientImpl);
WebKit::initialize(webkit_client_.get());
// If possible, post initialization tasks to this thread (rather than doing// them now) so we don't block the UI thread any longer than we have to.
}
void WebKitThread::InternalWebKitThread::CleanUp() {
DCHECK(webkit_client_.get());
WebKit::shutdown();
}